diff --git a/kfet/templates/kfet/kpsul.html b/kfet/templates/kfet/kpsul.html
index 93b42b39..f18994b4 100644
--- a/kfet/templates/kfet/kpsul.html
+++ b/kfet/templates/kfet/kpsul.html
@@ -816,7 +816,7 @@ $(document).ready(function() {
         article_data = articlesList[i];
 
         stock = article_data[4] ;
-        return (stock >= 0 && stock < nb) ;
+        return (-5 <= stock - nb && stock - nb <= 5); 
     }
 
     function addDeposit(amount, is_checkout=1) {